Synopsis

"Combustible Dust" investigates the devastating impact of dust explosions on American factories, detailing the property damage and loss of life they inflict. "Howard Hughes" presents a revisiting of the history of the Howard Hughes Medical Institute, exploring its ascent to become one of the nation's wealthiest charitable organizations. "Joel Osteen" offers a re-airing of a profile focusing on the renowned preacher. And "Andy Rooney" shares his observations on timepieces.